Since the establishment in 1985, SJI Co., Ltd (Seongji) has grown to be a representative company producing various harnesses, cables, PBA, and IB Accessory packaging products with warm encouragement and support from customers.
In 2019, by merging Wisol’s IoT unit, we expand business area for IoT module solutions not only Sigfox solution but also all kind of wireless solutions. As well as IoT business, we are now supporting OEM/ODM business together for the global customers with cost-effective and high quality.
In June 2022, we changed our business name to SJI Co., Ltd.
SJI Co., Ltd (SeongJi) will always be with you as a good partner of unlimited possibilities.